seismic-picker-selection
Summarizes seismic phase picking methods and event detection strategies for research tasks.
Install
mkdir -p .claude/skills/seismic-picker-selection && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/5821" && unzip -o skill.zip -d .claude/skills/seismic-picker-selection && rm skill.zipInstalls to .claude/skills/seismic-picker-selection
Activation
This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.
This is a summary the advantages and disadvantages of earthquake event detection and phase picking methods, shared by leading seismology researchers at the 2025 Earthquake Catalog Workshop. Use it when you have a seismic phase picking task at hand.Key capabilities
- →Compare seismic event detection methods
- →Evaluate phase picking algorithm tradeoffs
- →Select detection techniques based on resource availability
- →Analyze sensitivity and generalizability of seismology tools
How it works
The skill provides a comparative guide of seismic detection methods, detailing their performance characteristics, sensitivity, and computational requirements.
Inputs & outputs
When to use seismic-picker-selection
- →Selecting seismic event detection methods
- →Comparing phase picking algorithms
- →Researching earthquake data analysis techniques
- →Consulting best practices for seismology workflows
About this skill
Seismic Event Detection & Phase Picking Method Selection Guide
Overview: Method Tradeoffs
When choosing an event detection and phase picking method, consider these key tradeoffs:
| Method | Generalizability | Sensitivity | Speed, Ease-of-Use | False Positives |
|---|---|---|---|---|
| STA/LTA | High | Low | Fast, Easy | Many |
| Manual | High | High | Slow, Difficult | Few |
| Deep Learning | High | High | Fast, Easy | Medium |
| Template Matching | Low | High | Slow, Difficult | Few |
- Generalizability: Ability to find arbitrary earthquake signals
- Sensitivity: Ability to find small earthquakes
Key insight: Each method has strengths and weaknesses. Purpose and resources should guide your choice.
STA/LTA (Short-Term Average / Long-Term Average)
Advantages
- Runs very fast: Automatically operates in real-time
- Easy to understand & implement: Can optimize for different window lengths and ratios
- No prior knowledge needed: Does not require information about earthquake sources or waveforms
- Amplitude-based detector: Reliably detects large earthquake signals
Limitations
- High rate of false detections during active sequences
- Automatic picks not as precise
- Requires manual review and refinement of picks for a quality catalog
Template Matching
Advantages
- Optimally sensitive detector (more sensitive than deep-learning): Can find smallest earthquakes buried in noise, if similar enough to template waveform
- Excellent for improving temporal resolution of earthquake sequences
- False detections are not as concerning when using high detection threshold
Limitations
- Requires prior knowledge about earthquake sources: Need template waveforms with good picks from a preexisting catalog
- Does not improve spatial resolution: Unknown earthquake sources that are not similar enough to templates cannot be found
- Setup effort required: Must extract template waveforms and configure processing
- Computationally intensive
Deep Learning Pickers
When to Use
- Adds most value when existing seismic networks are sparse or nonexistent
- Automatically and rapidly create more complete catalog during active sequences
- Requires continuous seismic data
- Best on broadband stations, but also produces usable picks on accelerometers, nodals, and Raspberry Shakes
- Use case: Temporary deployment of broadband or nodal stations where you want an automatically generated local earthquake catalog
Advantages
- No prior knowledge needed about earthquake sources or waveforms
- Finds lots of small local earthquakes (lower magnitude of completeness, Mc) with fewer false detections than STA/LTA
- Relatively easy to set up and run: Reasonable runtime with parallel processing. SeisBench provides easy-to-use model APIs and pretrained models.
Limitations
- Out-of-distribution data issues: For datasets not represented in training data, expect larger automated pick errors (0.1-0.5 s) and missed picks
- Cannot pick phases completely buried in noise - Not quite as sensitive as template-matching
- Sometimes misses picks from larger earthquakes that are obvious to humans, for unexplained reason
References
- This skill is a derivative of Beauce, Eric and Tepp, Gabrielle and Yoon, Clara and Yu, Ellen and Zhu, Weiqiang. Building a High Resolution Earthquake Catalog from Raw Waveforms: A Step-by-Step Guide Seismological Society of America (SSA) Annual Meeting, 2025. https://ai4eps.github.io/Earthquake_Catalog_Workshop/
- Allen (1978) - STA/LTA method
- Perol et al. (2018) - Deep learning for seismic detection
- Huang & Beroza (2015) - Template matching methods
- Yoon and Shelly (2024), TSR - Deep learning vs template matching comparison
When not to use it
- →Directly performing seismic data analysis
- →Automated real-time earthquake catalog generation
Limitations
- →Does not execute seismic data processing
- →Limited to methods covered in the 2025 Earthquake Catalog Workshop
How it compares
It provides a structured decision framework for researchers rather than executing the detection algorithms themselves.
Compared to similar skills
seismic-picker-selection side by side with the closest alternatives in the catalog.
| Skill | Installs | Updated | Safety | Difficulty |
|---|---|---|---|---|
| seismic-picker-selection (this skill) | 1 | 6mo | No flags | Beginner |
| literature-review | 559 | 2mo | Review | Advanced |
| openalex-database | 48 | 7mo | Review | Intermediate |
| scientific-critical-thinking | 18 | 7mo | Review | Advanced |
Try saying
Example prompts that trigger this skill in your AI assistant.
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